Crystal is a minor character of Hotel Transylvania 2.
Hotel Transylvania 2
Throughout the film, a recurring gag is that Griffin mentions that he has an invisible girlfriend, even though he is just pretending that he has one, much to his friends disbelief.
However, towards the end of the film Griffin eventually bumps into The Invisible Woman and they fall in love upon seeing each other.
Hotel Transylvania 3: Summer Vacation
- She appears in one scene, having an even shorter appearance than Erik.
- She is based off of Kitty Carroll from the 1940 film, The Invisible Woman.